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/* -LICENSE-START-
** Copyright (c) 2009 Blackmagic Design
**
** Permission is hereby granted, free of charge, to any person or organization
** obtaining a copy of the software and accompanying documentation covered by
** this license (the "Software") to use, reproduce, display, distribute,
** execute, and transmit the Software, and to prepare derivative works of the
** Software, and to permit third-parties to whom the Software is furnished to
** do so, all subject to the following:
**
** The copyright notices in the Software and this entire statement, including
** the above license grant, this restriction and the following disclaimer,
** must be included in all copies of the Software, in whole or in part, and
** all derivative works of the Software, unless such copies or derivative
** works are solely in the form of machine-executable object code generated by
** a source language processor.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
** SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
** FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
** ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
** DEALINGS IN THE SOFTWARE.
** -LICENSE-END-
*/
/* DeckLinkAPIDispatch.cpp */
#include "DeckLinkAPI.h"
#include <pthread.h>
#if BLACKMAGIC_DECKLINK_API_MAGIC != 1
#error The DeckLink API version of DeckLinkAPIDispatch.cpp is not the same version as DeckLinkAPI.h
#endif
#define kDeckLinkAPI_BundlePath "/Library/Frameworks/DeckLinkAPI.framework"
typedef IDeckLinkIterator* (*CreateIteratorFunc)(void);
typedef IDeckLinkAPIInformation* (*CreateAPIInformationFunc)(void);
typedef IDeckLinkGLScreenPreviewHelper* (*CreateOpenGLScreenPreviewHelperFunc)(void);
typedef IDeckLinkCocoaScreenPreviewCallback* (*CreateCocoaScreenPreviewFunc)(void*);
typedef IDeckLinkVideoConversion* (*CreateVideoConversionInstanceFunc)(void);
typedef IDeckLinkDiscovery* (*CreateDeckLinkDiscoveryInstanceFunc)(void);
static pthread_once_t gDeckLinkOnceControl = PTHREAD_ONCE_INIT;
static CFBundleRef gDeckLinkAPIBundleRef = NULL;
static CreateIteratorFunc gCreateIteratorFunc = NULL;
static CreateAPIInformationFunc gCreateAPIInformationFunc = NULL;
static CreateOpenGLScreenPreviewHelperFunc gCreateOpenGLPreviewFunc = NULL;
static CreateCocoaScreenPreviewFunc gCreateCocoaPreviewFunc = NULL;
static CreateVideoConversionInstanceFunc gCreateVideoConversionFunc = NULL;
static CreateDeckLinkDiscoveryInstanceFunc gCreateDeckLinkDiscoveryFunc = NULL;
static void InitDeckLinkAPI(void)
{
CFURLRef bundleURL;
bundleURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR(kDeckLinkAPI_BundlePath), kCFURLPOSIXPathStyle, true);
if (bundleURL != NULL)
{
gDeckLinkAPIBundleRef = CFBundleCreate(kCFAllocatorDefault, bundleURL);
if (gDeckLinkAPIBundleRef != NULL)
{
gCreateIteratorFunc = (CreateIteratorFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateDeckLinkIteratorInstance_0002"));
gCreateAPIInformationFunc = (CreateAPIInformationFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateDeckLinkAPIInformationInstance_0001"));
gCreateOpenGLPreviewFunc = (CreateOpenGLScreenPreviewHelperFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateOpenGLScreenPreviewHelper_0001"));
gCreateCocoaPreviewFunc = (CreateCocoaScreenPreviewFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateCocoaScreenPreview_0001"));
gCreateVideoConversionFunc = (CreateVideoConversionInstanceFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateVideoConversionInstance_0001"));
gCreateDeckLinkDiscoveryFunc = (CreateDeckLinkDiscoveryInstanceFunc)CFBundleGetFunctionPointerForName(gDeckLinkAPIBundleRef, CFSTR("CreateDeckLinkDiscoveryInstance_0001"));
}
CFRelease(bundleURL);
}
}
bool IsDeckLinkAPIPresent(void)
{
// If the DeckLink API bundle was successfully loaded, return this knowledge to the caller
if (gDeckLinkAPIBundleRef != NULL)
return true;
return false;
}
IDeckLinkIterator* CreateDeckLinkIteratorInstance(void)
{
pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI);
if (gCreateIteratorFunc == NULL)
return NULL;
return gCreateIteratorFunc();
}
IDeckLinkAPIInformation* CreateDeckLinkAPIInformationInstance(void)
{
pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI);
if (gCreateAPIInformationFunc == NULL)
return NULL;
return gCreateAPIInformationFunc();
}
IDeckLinkGLScreenPreviewHelper* CreateOpenGLScreenPreviewHelper(void)
{
pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI);
if (gCreateOpenGLPreviewFunc == NULL)
return NULL;
return gCreateOpenGLPreviewFunc();
}
IDeckLinkCocoaScreenPreviewCallback* CreateCocoaScreenPreview(void* parentView)
{
pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI);
if (gCreateCocoaPreviewFunc == NULL)
return NULL;
return gCreateCocoaPreviewFunc(parentView);
}
IDeckLinkVideoConversion* CreateVideoConversionInstance(void)
{
pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI);
if (gCreateVideoConversionFunc == NULL)
return NULL;
return gCreateVideoConversionFunc();
}
IDeckLinkDiscovery* CreateDeckLinkDiscoveryInstance(void)
{
pthread_once(&gDeckLinkOnceControl, InitDeckLinkAPI);
if (gCreateDeckLinkDiscoveryFunc == NULL)
return NULL;
return gCreateDeckLinkDiscoveryFunc();
}
#define kBMDStreamingAPI_BundlePath "/Library/Application Support/Blackmagic Design/Streaming/BMDStreamingAPI.bundle"
typedef IBMDStreamingDiscovery* (*CreateDiscoveryFunc)(void);
typedef IBMDStreamingH264NALParser* (*CreateNALParserFunc)(void);
static pthread_once_t gBMDStreamingOnceControl = PTHREAD_ONCE_INIT;
static CFBundleRef gBMDStreamingAPIBundleRef = NULL;
static CreateDiscoveryFunc gCreateDiscoveryFunc = NULL;
static CreateNALParserFunc gCreateNALParserFunc = NULL;
static void InitBMDStreamingAPI(void)
{
CFURLRef bundleURL;
bundleURL = CFURLCreateWithFileSystemPath(kCFAllocatorDefault, CFSTR(kBMDStreamingAPI_BundlePath), kCFURLPOSIXPathStyle, true);
if (bundleURL != NULL)
{
gBMDStreamingAPIBundleRef = CFBundleCreate(kCFAllocatorDefault, bundleURL);
if (gBMDStreamingAPIBundleRef != NULL)
{
gCreateDiscoveryFunc = (CreateDiscoveryFunc)CFBundleGetFunctionPointerForName(gBMDStreamingAPIBundleRef, CFSTR("CreateBMDStreamingDiscoveryInstance_0001"));
gCreateNALParserFunc = (CreateNALParserFunc)CFBundleGetFunctionPointerForName(gBMDStreamingAPIBundleRef, CFSTR("CreateBMDStreamingH264NALParser_0001"));
}
CFRelease(bundleURL);
}
}
IBMDStreamingDiscovery* CreateBMDStreamingDiscoveryInstance()
{
pthread_once(&gBMDStreamingOnceControl, InitBMDStreamingAPI);
if (gCreateDiscoveryFunc == NULL)
return NULL;
return gCreateDiscoveryFunc();
}
IBMDStreamingH264NALParser* CreateBMDStreamingH264NALParser()
{
pthread_once(&gBMDStreamingOnceControl, InitBMDStreamingAPI);
if (gCreateNALParserFunc == NULL)
return NULL;
return gCreateNALParserFunc();
}
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